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Siesta Key

$85+ Cheap flights from Washington, D.C. (WAS) to Siesta Key, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TPA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Find cheap flights from Washington, D.C. to Siesta Key with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. to Siesta Key are usually found in July or May, booked 78 days in advance, depart on a Thursday or Sunday and return on a Thursday

Cheap flight deals from Washington, D.C. to Siesta Key

Cheapest flights from Washington, D.C. to Siesta Key
Explore the most affordable flight options available from Washington, D.C. to Siesta Key. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:36 pm
IAD
-
SRQ
Nonstop2h 27m
Allegiant Air
Thu 3/1912:27 pm
SRQ
-
IAD
Nonstop2h 25m
Allegiant Air
Deal found 2/1$179
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/84:42 pm
IAD
-
SRQ
Nonstop2h 26m
Allegiant Air
Thu 3/123:53 pm
SRQ
-
IAD
Nonstop2h 25m
Allegiant Air
Deal found 2/1$182
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:30 pm
IAD
-
SRQ
1 stop14h 01m
Allegiant Air
Thu 2/261:23 pm
SRQ
-
IAD
Nonstop2h 23m
Allegiant Air
Deal found 2/1$190
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/84:13 pm
IAD
-
SRQ
1 stop25h 41m
Allegiant Air
Thu 2/121:25 pm
SRQ
-
IAD
Nonstop2h 25m
Allegiant Air
Deal found 2/2$196
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/84:42 pm
IAD
-
SRQ
Nonstop2h 26m
Allegiant Air
Thu 3/1912:27 pm
SRQ
-
IAD
Nonstop2h 25m
Allegiant Air
Deal found 2/2$203
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:27 pm
IAD
-
SRQ
1 stop13h 46m
Allegiant Air
Thu 3/56:59 pm
SRQ
-
IAD
1 stop20h 14m
Allegiant Air
Deal found 2/1$204
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:43 pm
IAD
-
SRQ
Nonstop2h 23m
Allegiant Air
Sun 5/178:14 pm
SRQ
-
IAD
1 stop12h 45m
Allegiant Air
Deal found 2/1$211
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:43 pm
IAD
-
SRQ
Nonstop2h 23m
Allegiant Air
Sun 5/39:30 am
SRQ
-
IAD
Nonstop2h 23m
Allegiant Air
Deal found 2/2$213
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:00 pm
DCA
-
SRQ
1 stop8h 20m
Southwest
Sat 5/211:40 am
SRQ
-
DCA
1 stop5h 55m
Southwest
Deal found 2/1$230
This JetBlue deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:00 am
DCA
-
SRQ
1 stop8h 57m
JetBlue
Thu 3/55:40 pm
SRQ
-
DCA
1 stop5h 19m
JetBlue
Deal found 2/1$252
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:46 am
DCA
-
SRQ
Nonstop2h 40m
American Airlines
Tue 3/101:05 pm
SRQ
-
DCA
Nonstop2h 32m
American Airlines
Deal found 2/1$255
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:10 pm
DCA
-
SRQ
1 stop7h 10m
Southwest
Wed 3/117:00 am
SRQ
-
DCA
2 stops7h 15m
Southwest
Deal found 2/1$258

Find flight deals from Washington, D.C. to Siesta Key

Keep the following information in mind while searching for Washington, D.C. to Siesta Key flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(Kiwi.com)

One-way from

$85
(Super.com)

Popular in

March

Cheapest in

July

Average price

$329
Provider with most accurate pricing for Washington, D.C. (WAS)-Sarasota Bradenton Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sarasota Bradenton Intl flights.
Search Deals
From Washington, D.C. (WAS) to Siesta Key
Search Deals
One-way flight from Washington, D.C. (WAS) to Siesta Key
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Siesta Key that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Siesta Key that are best for you.

Fly from

Washington, D.C.

Fly to

Siesta Key

Route

Depart

Return

Price

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Tue 4/21

1:40 pm-6:54 pm

1 stop5h 14m

Sarasota Bradenton Intl

Sat 4/25

6:25 pm-11:41 pm

1 stop5h 16m

$275

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Tue 4/21

9:55 am-5:05 pm

1 stop7h 10m

Sarasota Bradenton Intl

Tue 4/28

4:10 pm-9:55 pm

1 stop5h 45m

$275

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-3:40 pm

1 stop7h 40m

Sarasota Bradenton Intl

Wed 3/11

5:55 pm-11:15 pm

1 stop5h 20m

$275

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Tue 3/17

7:43 pm-12:36 am

1 stop4h 53m

Sarasota Bradenton Intl

Tue 3/24

3:14 pm-8:40 pm

1 stop5h 26m

$275

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-10:21 am

1 stop4h 21m

Sarasota Bradenton Intl

Wed 3/11

8:15 am-2:39 pm

1 stop6h 24m

$275

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Tue 6/16

6:00 am-12:36 pm

1 stop6h 36m

Sarasota Bradenton Intl

Tue 6/23

3:10 pm-9:16 pm

1 stop6h 06m

$275

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Sat 4/25

7:06 am-2:20 pm

1 stop7h 14m

Sarasota Bradenton Intl

Sat 5/2

6:25 pm-12:27 am

1 stop6h 02m

$275

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Tue 3/17

6:01 am-11:39 am

1 stop5h 38m

Sarasota Bradenton Intl

Wed 3/25

7:05 am-11:52 am

1 stop4h 47m

$275

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Wed 7/1

6:00 am-12:36 pm

1 stop6h 36m

Sarasota Bradenton Intl

Sat 7/4

11:08 am-4:39 pm

1 stop5h 31m

$275

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Tue 3/3

12:35 pm-6:10 pm

1 stop5h 35m

Sarasota Bradenton Intl

Wed 3/11

8:15 am-2:39 pm

1 stop6h 24m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 59 results
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Best time to book a flight from Washington, D.C. to Siesta Key

Have a flexible travel schedule? Discover the best time to fly to Siesta Key from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Siesta Key

How far ahead should I book a flight from Washington, D.C. to Siesta Key?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Siesta Key. Price data was last updated on January 30, 2026.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Siesta Key. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Siesta Key?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Siesta Key (average of $51). Flying from Washington, D.C. to Siesta Key in November is currently the most expensive (average of $97). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to S1E?

Find hourly flight availability from Washington, D.C. to Siesta Key. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

It’s typically best to fly out from Washington, D.C. to Siesta Key in the evening. Doing so could potentially save you 21% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Siesta Key?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Siesta Key. Price data was last updated on March 2, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Siesta Key flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Siesta Key

Explore weekly flight availability from Washington, D.C. to Siesta Key. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from WAS to S1E are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Siesta Key

Get insights into the airlines that provide service to Siesta Key. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siesta Key. Reviews last updated February 3, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Siesta Key, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,271 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,271 reviews
Southwest
8.0
Very good
4,271 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,132 reviews
Southwest
8.0
Very good
4,271 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,212 reviews
Southwest
8.0
Very good
4,271 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Allegiant Air
7.2
Good
708 reviews
Southwest
8.0
Very good
4,271 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,051 reviews
Southwest
8.0
Very good
4,271 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Siesta Key. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Siesta Key?

    For as low as $275, Delta can have you in Siesta Key from Washington, D.C. in 5h 14m. Airlines will cover a distance of 852 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Siesta Key one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Siesta Key are Allegiant Air ($49), Frontier ($67), and Southwest ($109).

  • What are the most popular routes from Washington, D.C. to Siesta Key?

    The most popular route from Washington, D.C. to Siesta Key is Baltimore/Washington - Sarasota Bradenton Intl. You may also consider Washington, D.C. Reagan-National - Sarasota Bradenton Intl or Washington, D.C. Dulles Intl - Sarasota Bradenton Intl.

  • What are the most reliable airlines from Washington, D.C. to Siesta Key?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Siesta Key on time: Lufthansa (88%), Copa Airlines (86%), United Airlines (86%).

  • What are the cheapest flights from Washington, D.C. to Siesta Key?

    Looking for the cheapest flight from Washington, D.C. to Siesta Key? While on average our users pay $555, our data indicates the cheapest price to be $35. The most popular route (Baltimore/Washington - Sarasota Bradenton Intl), is priced around $289.

  • Can I find deals for flights from Washington, D.C. to Siesta Key that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Siesta Key flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Siesta Key?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Siesta Key.

  • Can I find deals for business class flights from Washington, D.C. to Siesta Key?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Siesta Key by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Siesta Key?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Siesta Key (average of $51). Flying from Washington, D.C. to Siesta Key in November is currently the most expensive (average of $97). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Siesta Key

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Washington, D.C. to Siesta Key

Discover the top 8 airlines that operate flights from Washington, D.C. to Siesta Key. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$222FlexibilityNo cancel feeOn-time65%
FrontierCheapest$48Average$181FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$62Average$183FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$100Average$335FlexibilityNo cancel feeOn-time69%
DeltaCheapest$142Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$343FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$177Average$377FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$183Average$286FlexibilityNo cancel feeOn-time62%

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